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  <title>Ironing Pattern Calibration</title>
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<h1>Ironing Pattern Calibration</h1>
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    <table><tr><td>Needs:</td>
        <td style="text-align: left;">Flow</td>
        <td style="text-align: left;">Temperature</td></tr>
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<p><strong>You need to do the filament flow calibration and the bridge flow ratio before this one.</strong> It's better if you have done the filament temperature calibration as well.</p>
<p>This calibration method will print test samples with various levels of over-bridge flow ratio, between 100 and 125. Choose the lowest value on which the top surface is smooth without rough "holes". Begin with the over-bridge calibraiton.</p>
<p>If the over-bridge calibration is not conclusive (same holes on all samples), then set it to 110% and use the top flow calibration. This setting is a bit more unpredictable so it's best to not move it far away from 100%.</p>
<h2>Results</h2>
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<h4>Example:</h4>
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<td><img src="./100.jpg" width="150" height="100" /></td>
<td><img src="./105.jpg" width="150" height="100" /></td>
<td><img src="./110.jpg" width="150" height="100" /></td>
<td><img src="./115.jpg" width="150" height="100" /></td>
<td><img src="./120.jpg" width="150" height="100" /></td>
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<td style="text-align: center;">Not flat</td>
<td style="text-align: center;">Not flat</td>
<td style="text-align: center;">Not flat</td>
<td style="text-align: center;">Flat</td>
<td style="text-align: center;">Flat</td>
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Here, we can see that artifacts exist until the over-bridge flow was set to 115. It was flat from the flow calibration, if it's not now, it's because the bridges below the top surfaces are dropping a bit, and so it leaves more volume to fill afterwards. Here, 115 should be enough, but 120 is a more safe bet.

<h2>Advice</h2>
<p>TODO</p>
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<h2>Notes</h2>
<p>This test set the setting "Complete individual objects" to true, so you may want to reset your print settings afterwards</p>
<p>Licence for models used for this calibration test: CC BY-SA 3.0</p>
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